{"cve":"CVE-2005-2403","nvd":{"published":"2005-07-27T04:00:00.000","modified":"2026-06-16T22:14:49.563","status":"Modified","description":"The login protocol in RealChat 3.5.1b does not use authentication, which allows remote attackers to log on as other users by sniffing the beginning of a chat session and replaying it via a modified username.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://seclists.org/lists/bugtraq/2005/Jul/0403.html","http://securitytracker.com/id?1014562","http://www.securityfocus.com/bid/14358","https://exchange.xforce.ibmcloud.com/vulnerabilities/21497","http://seclists.org/lists/bugtraq/2005/Jul/0403.html"],"products":["realchat:realchat"],"source":"nvd","synced_at":"2026-10-19T19:39:29.870204089+00:00"},"epss":{"cve":"CVE-2005-2403","score":0.01492,"percentile":0.74141,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}